Who owns WRBWhat WRB owns
What W. R. Berkley Corporation owns
The company's own 13F portfolio · as of 2026-03-31 · long US-listed stakes only — private holdings, bonds and cash are not disclosable on a 13F
$1.86B
disclosed stock portfolio
345
positions
13.9%
in EPD
Positions, as of 2026-03-31
ordered by filed value · % of book = share of the disclosed stock portfolio · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | EPDENTERPRISE PRODS PARTNERS L | 6.8M | $258.3M | 13.9% |
| 2 | ETENERGY TRANSFER L P | 8.3M | $159.2M | 8.6% |
| 3 | KMIKINDER MORGAN INC DEL | 2.8M | $95.1M | 5.1% |
| 4 | PAAPLAINS ALL AMERN PIPELINE L | 2.7M | $59.9M | 3.2% |
| 5 | WESWESTERN MIDSTREAM PARTNERS L | 1.3M | $52.2M | 2.8% |
| 6 | ONON SEMICONDUCTOR CORP | 731,118 | $45.3M | 2.4% |
| 7 | PGRPROGRESSIVE CORP | 207,589 | $41.2M | 2.2% |
| 8 | AGRICULTURE & NAT SOL ACQ CO | 2.6M | $29.7M | 1.6% |
| 9 | HAYMAKER ACQUISITION CORP IV | 2.3M | $26.7M | 1.4% |
| 10 | GLOBAL INDEMNITY GROUP LLC | 919,661 | $25.0M | 1.3% |
| 11 | CANTOR EQUITY PARTNERS III I | 2.2M | $23.0M | 1.2% |
| 12 | MOUNTAIN LAKE ACQUISITION CO | 1.9M | $19.8M | 1.1% |
| 13 | CHURCHILL CAPITAL CORP IX | 1.8M | $19.3M | 1% |
| 14 | ROMAN DBDR ACQUISITION CORP | 1.8M | $18.9M | 1% |
| 15 | BERTO ACQUISITION CORP | 1.8M | $18.7M | 1% |
| 16 | EQV VENTURES AC CORP. II | 1.9M | $18.7M | 1% |
| 17 | GIGCAPITAL7 CORP | 1.7M | $18.5M | 1% |
| 18 | INFLECTION PT ACQUISITION CO | 1.8M | $18.1M | 1% |
| 19 | KOCHAV DEFENSE ACQUI CO | 1.7M | $17.3M | 0.9% |
| 20 | YORKVILLE ACQUISITION CORP. | 1.6M | $16.6M | 0.9% |
| 21 | SILVERBOX CORP IV | 1.5M | $16.2M | 0.9% |
| 22 | LEGATO MERGER CORP III | 1.5M | $16.1M | 0.9% |
| 23 | LAUNCH ONE ACQUISITION CORP | 1.5M | $15.9M | 0.9% |
| 24 | VOYAGER ACQUISITION CORP | 1.3M | $13.9M | 0.7% |
| 25 | JOEST JOE CO | 209,542 | $13.2M | 0.7% |
| 26 | GIGCAPITAL8 CORP | 1.3M | $12.9M | 0.7% |
| 27 | CANTOR EQUITY PARTNERS I INC | 1.2M | $12.8M | 0.7% |
| 28 | ARMADA ACQUISITION CORP II | 1.2M | $12.7M | 0.7% |
| 29 | CENTURION ACQUISITION CORP | 1.2M | $12.5M | 0.7% |
| 30 | K&F GROWTH ACQUISITION CORP | 1.1M | $11.2M | 0.6% |
| 31 | GLOBA TERRA ACQUISITION COR | 1.1M | $10.9M | 0.6% |
| 32 | MELAR ACQUISITION CORP. I | 998,963 | $10.8M | 0.6% |
| 33 | COPLEY ACQUISITION CORP | 1.0M | $10.6M | 0.6% |
| 34 | M3BRIGADE ACQUISITION V CORP | 963,675 | $10.3M | 0.6% |
| 35 | INFLECTION POINT ACQU CORP V | 981,096 | $10.2M | 0.5% |
| 36 | LIONHEART HOLDINGS | 916,973 | $9.9M | 0.5% |
| 37 | FG IMPERII ACQUISITION CORP | 992,100 | $9.8M | 0.5% |
| 38 | SIM ACQUISITION CORP. I | 912,286 | $9.8M | 0.5% |
| 39 | CHARLTON ARIA ACQUISITION CO | 878,975 | $9.3M | 0.5% |
| 40 | GP-ACT III ACQUISITION CORP | 846,823 | $9.2M | 0.5% |
| 41 | PANTAGES CAPITAL ACQUISITION | 874,411 | $9.2M | 0.5% |
| 42 | XSOLLA SPAC 1 | 920,190 | $9.0M | 0.5% |
| 43 | SOULPOWER ACQUISITION CORP | 866,764 | $8.9M | 0.5% |
| 44 | GIGCAPITAL9 CORP | 882,431 | $8.7M | 0.5% |
| 45 | LAUNCH TWO ACQUISITION CORP. | 816,717 | $8.7M | 0.5% |
| 46 | PLUM ACQUISITION CORP IV | 804,192 | $8.5M | 0.5% |
| 47 | RF ACQUISITION CORP II | 766,425 | $8.4M | 0.4% |
| 48 | DYNAMIX CORP | 790,503 | $8.3M | 0.4% |
| 49 | CANTOR EQUITY PARTNERS V INC | 792,962 | $8.0M | 0.4% |
| 50 | VZVERIZON COMMUNICATIONS INC | 157,666 | $7.9M | 0.4% |
| 51 | PRAETORIAN ACQUISITION CORP | 795,690 | $7.8M | 0.4% |
| 52 | DIGITAL ASSET ACQUISITION CO | 761,331 | $7.8M | 0.4% |
| 53 | HENNESSY CAP INVT CORP VII | 728,659 | $7.5M | 0.4% |
| 54 | BLUE WTR ACQUISITION CORP. I | 731,506 | $7.5M | 0.4% |
| 55 | VINE HILL CAP INVT CORP. | 661,663 | $7.1M | 0.4% |
| 56 | LIVE OAK ACQUISITION CORP V | 647,661 | $6.7M | 0.4% |
| 57 | DUNE ACQUISITION CORP II | 648,960 | $6.7M | 0.4% |
| 58 | NEW PROVIDENCE ACQUISITION C | 645,429 | $6.6M | 0.4% |
| 59 | LAFAYETTE DIGITAL ACQUISITIO | 646,456 | $6.4M | 0.3% |
| 60 | RANGE CAP ACQUISITION CORP | 577,081 | $6.1M | 0.3% |
| 61 | K2 CAP ACQUISITION CORP | 596,880 | $5.9M | 0.3% |
| 62 | CHENGHE ACQUISITION III CO | 570,610 | $5.8M | 0.3% |
| 63 | SPACSPHERE ACQUISITION CORP | 573,350 | $5.7M | 0.3% |
| 64 | XFLH CAP CORP | 571,683 | $5.6M | 0.3% |
| 65 | SUMA ACQUISITION CORP | 546,810 | $5.5M | 0.3% |
| 66 | CAYSON ACQUISITION CORP | 497,282 | $5.5M | 0.3% |
| 67 | FUTURE MONEY ACQUISITION COR | 540,732 | $5.4M | 0.3% |
| 68 | COHEN CIRCLE ACQUISIT CORP I | 525,621 | $5.4M | 0.3% |
| 69 | BOLD EAGLE ACQUISITION CORP | 508,724 | $5.4M | 0.3% |
| 70 | QUANTUMSPHERE ACQUISITION CO | 508,540 | $5.1M | 0.3% |
| 71 | GENERAL PURP ACQUISITION COR | 518,564 | $5.1M | 0.3% |
| 72 | TITAN ACQUISITION CORP | 496,400 | $5.1M | 0.3% |
| 73 | GORES HLDGS X INC | 492,370 | $5.0M | 0.3% |
| 74 | ALDEL FINL II INC | 474,710 | $5.0M | 0.3% |
| 75 | CLEARTHINK 1 ACQUISITION COR | 497,000 | $5.0M | 0.3% |
| 76 | ANDRETTI ACQUISITION CORP II | 462,495 | $4.9M | 0.3% |
| 77 | SIDDHI ACQUISITION CORP | 473,618 | $4.9M | 0.3% |
| 78 | OYSTER ENTERPRISES II ACQUIS | 475,872 | $4.8M | 0.3% |
| 79 | FLAG SHIP ACQUISITION CORP | 434,420 | $4.7M | 0.3% |
| 80 | THAYER VENTURES ACQ CORP II | 463,391 | $4.7M | 0.3% |
| 81 | AMERICAN EXCEPTIONALISM ACQU | 421,159 | $4.6M | 0.2% |
| 82 | JACKSON ACQUISITION CO II | 430,362 | $4.6M | 0.2% |
| 83 | NMP ACQUISITION CORP | 445,304 | $4.5M | 0.2% |
| 84 | CROWN RESV ACQUISITION CORP | 451,723 | $4.5M | 0.2% |
| 85 | BLUE ACQUISITION CORP. | 441,650 | $4.5M | 0.2% |
| 86 | BEST SPAC I ACQUISITION CORP | 437,808 | $4.5M | 0.2% |
| 87 | TGE VALUE CREATIVE SOLUTIONS | 447,006 | $4.4M | 0.2% |
| 88 | MOUNTAIN LAKE ACQUISIT CORP | 447,794 | $4.4M | 0.2% |
| 89 | ALDABRA 4 LQDTY OPP VEH INC | 446,445 | $4.4M | 0.2% |
| 90 | WINTERGREEN ACQUISITION CORP | 427,111 | $4.4M | 0.2% |
| 91 | PROCAP ACQUISITION CORP | 427,737 | $4.4M | 0.2% |
| 92 | OXLEY BRIDGE ACQ LTD | 424,660 | $4.3M | 0.2% |
| 93 | SILVER PEGASUS ACQUISITION C | 415,865 | $4.2M | 0.2% |
| 94 | UY SCUTI ACQUISITION CORP. | 407,586 | $4.2M | 0.2% |
| 95 | QUARTZSEA ACQUISITION CORP | 405,549 | $4.2M | 0.2% |
| 96 | CAMBRIDGE ACQUISITION CORP | 424,998 | $4.2M | 0.2% |
| 97 | RENATUS TACTICAL ACQUIS | 403,883 | $4.2M | 0.2% |
| 98 | UNITED ACQUISITION CORP I | 422,792 | $4.1M | 0.2% |
| 99 | SC II ACQUISITION CORP | 412,893 | $4.1M | 0.2% |
| 100 | ARTIUS II ACQUISITION INC | 396,960 | $4.1M | 0.2% |
Source: SEC Form 13F-HR filed by BERKLEY W R CORP (CIK 11544), reporting period 2026-03-31. Values are quarter-end filed marks. Research, not investment advice.